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Image classification is a longstanding problem in computer vision and machine learning research. Most recent works (e.g. SupCon , Triplet, and max-margin) mainly focus on grouping the intra-class samples aggressively and compactly, with the…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Mingkai Zheng , Shan You , Lang Huang , Xiu Su , Fei Wang , Chen Qian , Xiaogang Wang , Chang Xu

Stochastic Neighbor Embedding (SNE) methods minimize the divergence between the similarity matrix of a high-dimensional data set and its counterpart from a low-dimensional embedding, leading to widely applied tools for data visualization.…

机器学习 · 计算机科学 2018-09-13 Yao Lu , Jukka Corander , Zhirong Yang

The detection of abnormal behaviours in crowded scenes has to deal with many challenges. This paper presents an efficient method for detection and localization of anomalies in videos. Using fully convolutional neural networks (FCNs) and…

计算机视觉与模式识别 · 计算机科学 2017-05-02 Mohammad Sabokrou , Mohsen Fayyaz , Mahmood Fathy , Zahra Moayedd , Reinhard klette

$t$-SNE is an embedding method that the data science community has widely Two interesting characteristics of t-SNE are the structure preservation property and the answer to the crowding problem, where all neighbors in high dimensional space…

机器学习 · 计算机科学 2021-09-23 Gaëlle Candel , David Naccache

Research into dynamic 3D scene understanding has primarily focused on short-term change tracking from dense observations, while little attention has been paid to long-term changes with sparse observations. We address this gap with MoRE, a…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Liyuan Zhu , Shengyu Huang , Konrad Schindler , Iro Armeni

Video anomaly detection is a challenging task due to the lack in approaches for representing samples. The visual representations of most existing approaches are limited by short-term sequences of observations which cannot provide enough…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Yalong Jiang , Changkang Li

In crowded scenes, detection and localization of abnormal behaviors is challenging in that high-density people make object segmentation and tracking extremely difficult. We associate the optical flows of multiple frames to capture…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Xinfeng Zhang , Su Yang , Xinjian Zhang , Weishan Zhang , Jiulong Zhang

Next Best View computation (NBV) is a long-standing problem in robotics, and consists in identifying the next most informative sensor position(s) for reconstructing a 3D object or scene efficiently and accurately. Like most current methods,…

计算机视觉与模式识别 · 计算机科学 2022-11-02 Antoine Guédon , Pascal Monasse , Vincent Lepetit

Subject-driven image generation has advanced from single- to multi-subject composition, while neglecting distinction, the ability to distinguish and generate the correct subject when inputs contain multiple candidates. This limitation…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Yuran Wang , Bohan Zeng , Chengzhuo Tong , Wenxuan Liu , Yang Shi , Xiaochen Ma , Hao Liang , Yuanxing Zhang , Wentao Zhang

Graph-based collaborative filtering (CF) has emerged as a promising approach in recommender systems. Despite its achievements, graph-based CF models face challenges due to data sparsity and negative sampling. In this paper, we propose a…

信息检索 · 计算机科学 2024-12-20 Chaejeong Lee , Jeongwhan Choi , Hyowon Wi , Sung-Bae Cho , Noseong Park

Anomaly detection in surveillance videos is currently a challenge because of the diversity of possible events. We propose a deep convolutional neural network (CNN) that addresses this problem by learning a correspondence between common…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Trong Nguyen Nguyen , Jean Meunier

Anomaly detection aims to identify data instances that deviate significantly from majority of data, which has been widely used in fraud detection, network security, and industrial quality control. Existing methods struggle with datasets…

机器学习 · 计算机科学 2026-01-29 Yang Cao , Sikun Yang , Xuyun Zhang , Yujiu Yang

Anomaly Detection is a relevant problem that arises in numerous real-world applications, especially when dealing with images. However, there has been little research for this task in the Continual Learning setting. In this work, we…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Davide Dalle Pezze , Eugenia Anello , Chiara Masiero , Gian Antonio Susto

Object detection has made substantial progress in the last decade, due to the capability of convolution in extracting local context of objects. However, the scales of objects are diverse and current convolution can only process single-scale…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Junliang Chen , Xiaodong Zhao , Linlin Shen

Anomaly segmentation is a crucial task for safety-critical applications, such as autonomous driving in urban scenes, where the goal is to detect out-of-distribution (OOD) objects with categories which are unseen during training. The core…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Jiazhong Cen , Zenkun Jiang , Lingxi Xie , Qi Tian , Xiaokang Yang , Wei Shen

We consider the detection of multivariate spatial clusters in the Bernoulli model with $N$ locations, where the design distribution has weakly dependent marginals. The locations are scanned with a rectangular window with sides parallel to…

统计理论 · 数学 2010-02-26 Guenther Walther

Scene recognition is an image recognition problem aimed at predicting the category of the place at which the image is taken. In this paper, a new scene recognition method using the convolutional neural network (CNN) is proposed. The…

计算机视觉与模式识别 · 计算机科学 2019-07-19 Hongje Seong , Junhyuk Hyun , Euntai Kim

Scene change detection is an image processing problem related to partitioning pixels of a digital image into foreground and background regions. Mostly, visual knowledge-based computer intelligent systems, like traffic monitoring, video…

计算机视觉与模式识别 · 计算机科学 2022-12-21 Daniel F. S. Santos , Rafael G. Pires , Danilo Colombo , João P. Papa

The crux of resolving fine-grained visual classification (FGVC) lies in capturing discriminative and class-specific cues that correspond to subtle visual characteristics. Recently, frequency decomposition/transform based approaches have…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Qin Xu , Lili Zhu , Xiaoxia Cheng , Bo Jiang

Various convolutional neural networks (CNNs) were developed recently that achieved accuracy comparable with that of human beings in computer vision tasks such as image recognition, object detection and tracking, etc. Most of these networks,…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Tianchen Wang , Jinjun Xiong , Xiaowei Xu , Yiyu Shi
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